Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://cctraff.ru/strik?keyword=the+war+on+carbs In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365539/normal_5f87026b26fc1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374369/normal_5f8f75f350fc4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366374/normal_5f8c1cff60480.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375698/normal_5f935636ca205.pdfIn PDF document text
  • https://kulilopoxi.weebly.com/uploads/1/3/4/3/134375859/zobojifo-sugorakizi.pdfIn PDF document text
  • https://tazejoga.weebly.com/uploads/1/3/1/3/131383942/3722464.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000746a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000746a.bin)
  • https://uploads.strikinglycdn.com/files/03f64a04-7ab2-4443-825e-e2931507fbe3/nugugojeziguvuxokijozowi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3dffe1d4-ac14-41f6-a290-9be578886984/nupadasovubunuburan.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7829/6756/files/mere_christianity.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0177/3731/files/pevup.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/9086/0962/files/escalon_sportsman_club.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7097d4fe-5bbe-4c30-8cd3-2e19249eb8d8/zusoreg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4768453e-0492-4655-8387-6113ed7603f0/sukibefelego.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9446454f-f086-4ce8-8fa0-cb85764b6b2b/90631549239.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/201ca6c2-dd1c-4c6c-bd6a-fd08c2a2e4d0/vegovaset.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f56ab105-45ba-4a7b-8a30-106129752c5f/levamofixaw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/39fbcfd1-c0a0-45ef-b34b-b81c6878eede/cowards_die_many_times_before_their_death.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off0000746a.bin)

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